CN107499159A - A kind of control system and control method of pure electric compressor - Google Patents

A kind of control system and control method of pure electric compressor Download PDF

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Publication number
CN107499159A
CN107499159A CN201710691486.1A CN201710691486A CN107499159A CN 107499159 A CN107499159 A CN 107499159A CN 201710691486 A CN201710691486 A CN 201710691486A CN 107499159 A CN107499159 A CN 107499159A
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CN
China
Prior art keywords
electric compressor
temperature
controller
electric
entire car
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710691486.1A
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Chinese (zh)
Inventor
王坤玉
陈冲
杨金亮
崔红雨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinotruk Jinan Power Co Ltd
China National Heavy Duty Truck Group Jinan Power Co Ltd
Original Assignee
China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China National Heavy Duty Truck Group Jinan Power Co Ltd filed Critical China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority to CN201710691486.1A priority Critical patent/CN107499159A/en
Publication of CN107499159A publication Critical patent/CN107499159A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/02—Arrangements of pumps or compressors, or control devices therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

A kind of control system and control method of pure electric compressor, entire car controller carry out instruction transmission by CAN communication and electrokinetic cell, pilot controller, electric machine controller and instrument；Electrokinetic cell is respectively that pilot controller and electric machine controller provide high-voltage DC power supply；Pilot controller, electric machine controller are respectively electric compressor, motor offer three-phase alternating current；The Key Start signals of collection, the off-load signal of drier, vehicle air pressure signal, electric compressor temperature signal are passed into entire car controller respectively, and entire car controller controls the start and stop of electric compressor according to above-mentioned signal；The alarm of entire car controller notice instrument, the drop power of control motor or shutdown under extreme fault mode.Not only it is avoided that the operation of electric compressor continuous long period when electric car is inflated to air accumulator first after being powered every time, moreover it is possible to ensure that electric compressor will not also produce emulsification problem in wet season long-play.

Description

A kind of control system and control method of pure electric compressor
Technical field
The present invention is a kind of control method on pure electric compressor, is primarily adapted for use in equipment slide sheet type electric compressor Pure electric coach.
Background technology
At present, with the continuous popularization of pure electric coach, application of the slide sheet type electric compressor on pure electric coach It is more and more, but often there is emulsification problem, causes electric compressor can not because containing lubricating oil in slide sheet type electric compressor Normal work.All it is when being inflated first after electric car is powered every time to solve emulsification problem general control method, forces electronic sky Press continuously runs certain time t, even if brake system pressure has reached drier pressure unloading, is still to remain in operation, until Reach the time t of setting.Because time t is longer, very big waste of energy can be caused, is unfavorable for saving, influences continual mileage；Have A little control methods need user's high-frequency more oil change, increase the working service cost of user because anti-emulsion measure is not in place；When Preceding most of control method does not all account for electric compressor excess temperature situation, can seldom consider the feelings of temperature sensor open circuit yet Condition.
In a word, the defects of current control system is primarily present the following aspects：
（1）In vehicle actual moving process, because electric compressor anti-emulsion measure is not in place, cause the vehicle of client frequent There is electric compressor stuck the problem of can not working, making vehicle cast anchor, influence vehicle normal operation, increase user trailer maintenance Cost.
（2）Vehicle in use, because of control method imperfection, client is generally required in very short time just for anti-emulsion More oil change, increase vehicle use cost, improve the maintenance cost of client.
（3）Some control methods, to prevent from emulsifying, control electric compressor is continuously run for a long time, even if vehicle air pressure Peak is reached, electric compressor is still working, and causes the waste of electric energy, have impact on the continual mileage of vehicle.
（4）Most of control method does not have high temperature warning function, does not account for electric compressor in high temperature environments The issuable head excess temperature of long-play, pump problem is burnt, also do not account for the feelings of electric compressor temperature sensor open circuit Shape.
The present invention just proposes rational resolving ideas for problem above.
The content of the invention
In order to solve above-mentioned problems of the prior art, the present invention provides a kind of control system of pure electric compressor System, entire car controller carry out instruction transmission by CAN communication and electrokinetic cell, pilot controller, electric machine controller and instrument；It is dynamic Power battery is respectively that pilot controller and electric machine controller provide high-voltage DC power supply；Pilot controller, electric machine controller difference Three-phase alternating current is provided for electric compressor, motor；Electric machine controller is electrically connected to motor by three-phase alternating current；It is auxiliary Controller is helped to be electrically connected to electric compressor by three-phase alternating current；Cooling fan mechanically connects with electric compressor, electronic pneumatics Machine operating drives fan running to radiate it；The Key-Start signals of collection, the off-load signal of drier, vehicle air pressure Signal, electric compressor temperature signal are passed into entire car controller respectively, and entire car controller controls electronic according to above-mentioned signal The start and stop of air compressor machine；Entire car controller notice instrument alarms, controls the drop power of motor or stop under extreme fault mode Machine.
Compared to the prior art the present invention, the advantage is that：
（1）Electric compressor emulsification problem can be avoided, a series of problems derived from electric compressor emulsification is eliminated, is not required to simultaneously Will frequent frequent more oil change, reduce the maintenance cost of user；
（2）Take cooling fan to cool, prevent electric compressor excess temperature, while there is the emergency processing of the excess temperature under extreme case Measure, on the premise of vehicle safety is ensured, reduce the risk that electric compressor high temperature is burnt out；
（3）With the identification of temperature sensor open circuit fault and safe handling measure, protect under the premise that security is guaranteed electronic Air compressor machine.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is overall structure connection diagram of the present invention；
Fig. 2 is control logic flow graph of the present invention.
Embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in accompanying drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here Limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Completely it is communicated to those skilled in the art.
In the description of the invention, it is to be understood that term " longitudinal direction ", " transverse direction ", " on ", " under ", "front", "rear", The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes The orientation or position relationship shown, the description present invention is for only for ease of, rather than the device or element of instruction or hint meaning must There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
A kind of control method of pure electric compressor, angularly enters from electric compressor anti-emulsion, energy-conservation and troubleshooting Hand, on the premise of vehicle brake force is ensured, can prevent electric compressor emulsification, electric compressor excess temperature the problems such as hair Raw, and can rationally controls electric compressor start and stop, realizes that vehicle saves, increases continual mileage to a certain extent, while also have There are identification alarm and the emergency trouble shooting measures of extreme case failure.
See Fig. 1, electrokinetic cell provides high-voltage DC power supply, pilot controller, electric machine controller be respectively electric compressor, Motor provides three-phase alternating current, controls its work.Entire car controller by CAN communication and electrokinetic cell, pilot controller, Electric machine controller, instrument carry out instruction transmission, according to the Key-Start signals of collection, the off-load signal of drier, vehicle gas The signals such as pressure, electric compressor temperature carry out decision-making, control the start and stop of electric compressor；Cooling fan and electric compressor machinery Connection, electric compressor operating drive fan running to radiate it, prevent excess temperature；The full-vehicle control under extreme fault mode The alarm of device notice instrument, the drop power of control motor or shutdown.
See Fig. 2, specific whole control flow, wherein, t0、t1It is the time value of setting；T1 represents " electric compressor lubrication The temperature that steam largely evaporates in oil "；P represents " vehicle braking pressure safety limit "；T2 represent electric compressor " high temperature is pre- Alert temperature ".It is described as follows：
First stage：After if entire car controller monitors Key-Start signals, high pressure on electrokinetic cell is controlled, forces electronic sky Press continuously runs certain time t0, it is considered as first stage of control method.So can be not only vehicle brakes tonifying Qi, The loss of air leakage point on the gas consumption and vehicle gas circuit of last time parking is made up, while the temperature of lubricating oil in electric compressor can be improved Degree, accelerate the evaporation of steam in lubricating oil, prevent electric compressor from emulsifying, in addition time t0It is powered every time much smaller than electric car The forced service time t of electric compressor afterwards, can also save electric energy.
Second stage：As electric compressor continuous operating time t0Afterwards, temperature can be raised constantly in electric compressor, according to The temperature of temperature sensor collection judges that now whether temperature is higher than the " temperature that steam largely evaporates in electric compressor lubricating oil Spend T1 ".If now temperature is also far below T1, control electric compressor continuously runs certain time t again1（Time t1Also much smaller than The forced service time t of electric compressor after electric car is powered every time）The temperature of lubricating oil in electric compressor is continued to lift up, is accelerated Water evaporation, further anti-emulsion, the stage are considered as second stage, subsequently into phase III normal control mode；If now Temperature is more than or equal to T1, then skips second stage, be directly entered the phase III.
Phase III：Electronic sky is controlled according to the off-load switching signal of the atmospheric pressure value on braking system gas circuit, drier The start and stop of press.If any one atmospheric pressure value on braking system gas circuit less than setting " vehicle braking pressure safety limit P ", Then control electric compressor is inflated, and untill the off-load switch of drier is opened, the stage is considered as the phase III.By First, the operation of two-stage, vehicle air pressure can meet brake safe demand, also basically reach off-load atmospheric pressure value, and the stage is general Only very short time need to be run, energy-conservation while, both can anti-emulsion in turn ensure that vehicle brake safe.
Consider that electric compressor there may be excess temperature situation, in any of the above described stage, as long as electric compressor is run, cooling Fan can all be opened, and it is radiated, and prevent excess temperature.
Fault Identification troubleshooting：In view of under extreme case, as inside cooling fan damage or electric compressor by The cause specifics such as resistance may also cause excess temperature, and entire car controller can constantly monitor electric compressor temperature, if temperature is higher than " high temperature Early warning temperature T2 ", then alarmed, notify driver to stop in emergency, and takes into account brake safe demand, according to current brake system Air pressure carries out dropping power or shuts down measure to motor, actively ensures vehicle safety, after speed is less than safe speed, then allows Electric compressor is shut down, and finally carries out investigation maintenance.
Due to needing real-time collecting temperature, on-call maintenance is needed when temperature sensor occurs breaking, is this full-vehicle control Device develops " Fault Identification and troubleshooting " function according to the feature of sensor open circuit.If after generation open circuit, due to not collecting Reliable real time temperature data, are likely to result in erroneous judgement or the failures such as electric compressor is burnt out, and now entire car controller is notified that Instrument and alarm, inform that driver reaches maintenance service station and carries out on-call maintenance.
The control method can emulsify measure, Fault Identification trouble handling function by specific electric compressor simultaneously, moreover it is possible to more preferable Ground realizes that vehicle saves, and increases vehicle continual mileage.
Although the various embodiments described above are described, those skilled in the art once know basic wound The property made concept, then other change and modification can be made to these embodiments, so embodiments of the invention are the foregoing is only, Not thereby the scope of patent protection of the present invention, every equivalent structure made using description of the invention and accompanying drawing content are limited Or equivalent flow conversion, or other related technical areas are directly or indirectly used in, similarly it is included in the patent of the present invention Within protection domain.

Claims (3)

  1. A kind of 1. control system of pure electric compressor, it is characterised in that entire car controller by CAN communication and electrokinetic cell, Pilot controller, electric machine controller and instrument carry out instruction transmission；Electrokinetic cell is respectively pilot controller and electric machine controller High-voltage DC power supply is provided；Pilot controller, electric machine controller are respectively electric compressor, motor offer three-phase alternating current Electricity；Electric machine controller is electrically connected to motor by three-phase alternating current；Pilot controller is electrically connected to electronic by three-phase alternating current Air compressor machine；Cooling fan mechanically connects with electric compressor, and electric compressor operating drives fan running to radiate it；Adopt The Key-Start signals of collection, the off-load signal of drier, vehicle air pressure signal, electric compressor temperature signal be passed to respectively to In entire car controller, entire car controller controls the start and stop of electric compressor according to above-mentioned signal；The vehicle under extreme fault mode The alarm of controller notice instrument, the drop power of control motor or shutdown.
  2. A kind of 2. control system of pure electric compressor according to claim 1, it is characterised in that the entire car controller It is also respectively connected with temperature sensor and baroceptor.
  3. 3. a kind of control method of the control system of pure electric compressor, wherein, t0、t1It is the time value of setting；T1 represents " electricity The temperature that steam largely evaporates in dynamic air compressor lubricating oil "；P represents " vehicle braking pressure safety limit "；T2 represents electronic sky " the high temperature early warning temperature " of press, it is characterised in that comprise the following steps：
    First stage：After if entire car controller monitors Key-Start signals, high pressure on electrokinetic cell is controlled, forces electronic sky Press continuously runs certain time t0, it is considered as first stage of control method；
    Second stage：As electric compressor continuous operating time t0Afterwards, temperature constantly raises in electric compressor, is passed according to temperature The temperature of sensor collection judges that now whether temperature is higher than " the temperature T1 " that steam largely evaporates in electric compressor lubricating oil； If now temperature is also far below T1, control electric compressor continuously runs certain time t again1（Time t1It is each much smaller than electric car The forced service time t of electric compressor after energization）The temperature of lubricating oil in electric compressor is continued to lift up, accelerates steam and steams Hair, further anti-emulsion, the stage is considered as second stage, subsequently into phase III normal control mode；If now temperature is big In equal to T1, then second stage is skipped, is directly entered the phase III；
    Phase III：Electric compressor is controlled according to the off-load switching signal of the atmospheric pressure value on braking system gas circuit, drier Start and stop；If any one atmospheric pressure value on braking system gas circuit less than setting " vehicle braking pressure safety limit P ", is controlled Electric compressor processed is inflated, and untill the off-load switch of drier is opened, the stage is considered as the phase III；By first and second The operation in stage, vehicle air pressure can meet brake safe demand, basically reach off-load atmospheric pressure value, then the phase III only need to run Very short time can anti-emulsion ensure vehicle brake safe again；
    Radiator portion：In any of the above described stage, as long as electric compressor is run, cooling fan all can open to enter electric compressor Row radiating；
    Fault Identification failure handling parts：Entire car controller can constantly monitor electric compressor temperature, if temperature is higher than " high temperature is pre- Alert temperature T2 ", then alarmed, notify driver to stop in emergency, and takes into account brake safe demand, according to the gas of current brake system Pressure carries out dropping power or shuts down measure to motor, actively ensures that vehicle is safe, after speed is less than safe speed, then allows electricity Dynamic air compressor machine is shut down, and finally carries out investigation maintenance.
CN201710691486.1A 2017-08-14 2017-08-14 A kind of control system and control method of pure electric compressor Pending CN107499159A (en)

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Application Number Priority Date Filing Date Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109131300A (en) * 2018-08-03 2019-01-04 厦门金龙旅行车有限公司 Electric car air compressor machine fault recognition method, device, system and electric car
CN109177961A (en) * 2018-09-10 2019-01-11 中通客车控股股份有限公司 A kind of pneumatic control system and control method of plug-in hybrid passenger car
CN110901617A (en) * 2019-12-04 2020-03-24 南京汽车集团有限公司 Automobile air braking air compressor control system and control method thereof
CN111731246A (en) * 2020-06-12 2020-10-02 中国重汽集团济南动力有限公司 Air compressor control system and method based on altitude self-adaption
CN113147715A (en) * 2021-04-09 2021-07-23 黄冈格罗夫氢能汽车有限公司 Control method and system for hydrogen fuel cell heavy truck air compressor
CN113968275A (en) * 2020-07-23 2022-01-25 比亚迪股份有限公司 Control method and control system of air compressor and steering oil pump all-in-one machine and vehicle
CN114738252A (en) * 2022-02-24 2022-07-12 中国第一汽车股份有限公司 Control method, system and equipment for electric air compressor and storage medium
CN117681842A (en) * 2024-02-04 2024-03-12 临工重机股份有限公司 Electric inflating pump control system and method and electric automobile
EP4318924A4 (en) * 2021-05-12 2024-10-02 Foshan Shunde Midea Electric Science And Tech Co Ltd Control method, device and system, and storage medium

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106004843A (en) * 2016-06-27 2016-10-12 中国重汽集团济南动力有限公司 Pneumatic brake system of electric vehicle
CN106183817A (en) * 2016-08-31 2016-12-07 陕西法士特齿轮有限责任公司 A kind of pure electronic logistic car electrical system
CN106194685A (en) * 2016-07-29 2016-12-07 厦门金龙旅行车有限公司 A kind of automobile control method having the anti-lubricating oil emulsion of oily electric compressor
CN106696937A (en) * 2016-12-16 2017-05-24 浙江吉利新能源商用车有限公司 Air brake system and air compressor start and stop control method based on air brake system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106004843A (en) * 2016-06-27 2016-10-12 中国重汽集团济南动力有限公司 Pneumatic brake system of electric vehicle
CN106194685A (en) * 2016-07-29 2016-12-07 厦门金龙旅行车有限公司 A kind of automobile control method having the anti-lubricating oil emulsion of oily electric compressor
CN106183817A (en) * 2016-08-31 2016-12-07 陕西法士特齿轮有限责任公司 A kind of pure electronic logistic car electrical system
CN106696937A (en) * 2016-12-16 2017-05-24 浙江吉利新能源商用车有限公司 Air brake system and air compressor start and stop control method based on air brake system

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109131300A (en) * 2018-08-03 2019-01-04 厦门金龙旅行车有限公司 Electric car air compressor machine fault recognition method, device, system and electric car
CN109177961A (en) * 2018-09-10 2019-01-11 中通客车控股股份有限公司 A kind of pneumatic control system and control method of plug-in hybrid passenger car
CN110901617A (en) * 2019-12-04 2020-03-24 南京汽车集团有限公司 Automobile air braking air compressor control system and control method thereof
CN111731246A (en) * 2020-06-12 2020-10-02 中国重汽集团济南动力有限公司 Air compressor control system and method based on altitude self-adaption
CN113968275A (en) * 2020-07-23 2022-01-25 比亚迪股份有限公司 Control method and control system of air compressor and steering oil pump all-in-one machine and vehicle
CN113147715A (en) * 2021-04-09 2021-07-23 黄冈格罗夫氢能汽车有限公司 Control method and system for hydrogen fuel cell heavy truck air compressor
CN113147715B (en) * 2021-04-09 2022-05-03 黄冈格罗夫氢能汽车有限公司 Control method and system for hydrogen fuel cell heavy truck air compressor
EP4318924A4 (en) * 2021-05-12 2024-10-02 Foshan Shunde Midea Electric Science And Tech Co Ltd Control method, device and system, and storage medium
CN114738252A (en) * 2022-02-24 2022-07-12 中国第一汽车股份有限公司 Control method, system and equipment for electric air compressor and storage medium
CN114738252B (en) * 2022-02-24 2024-09-06 中国第一汽车股份有限公司 Control method, system, equipment and storage medium for electric air compressor
CN117681842A (en) * 2024-02-04 2024-03-12 临工重机股份有限公司 Electric inflating pump control system and method and electric automobile
CN117681842B (en) * 2024-02-04 2024-05-10 临工重机股份有限公司 Electric inflating pump control system and method and electric automobile

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Application publication date: 20171222